One of the programme team’s favorite studies deals with “happiness”. Researchers analyzed and processed datasets compiled from song lyrics, blogs and U.S. president’s State of the Union speeches. The three most important findings: “Love” is the most frequently used word in song lyrics – but the “content level of happiness” in songs has been steadily decreasing since the 1960s, while the level of happiness in blogs, for example between 2005 and 2009, saw a noticeable increase – this was in close correlation with the age of the bloggers.